{"id":177119,"date":"2024-11-08T13:30:26","date_gmt":"2024-11-08T05:30:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177119\/"},"modified":"2024-11-08T13:30:27","modified_gmt":"2024-11-08T05:30:27","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41049-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_bad_db_error%ef%bc%89%e6%9c%aa%e7%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%85s","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177119\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41049 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_BAD_DB_ERROR\uff09\u672a\u77e5\u6578\u64da\u5eab\u201c\uff05s\u201d"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41049-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_bad_db_error%ef%bc%89%e6%9c%aa%e7%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%85s-zaHgvuVrWw\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41049 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_BAD_DB_ERROR\uff09\u672a\u77e5\u6578\u64da\u5eab\u201c\uff05s\u201d<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa41049\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u986f\u793a\u70ba\u201c\u672a\u77e5\u6578\u64da\u5eab\u2018%s\u2019\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793aMySQL\u7121\u6cd5\u627e\u5230\u6307\u5b9a\u7684\u6578\u64da\u5eab\uff0c\u9019\u53ef\u80fd\u662f\u7531\u65bc\u591a\u7a2e\u539f\u56e0\u9020\u6210\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a41049%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-zaHgvuVrWw\">\u932f\u8aa41049\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\uff1a<\/strong>\u6700\u5e38\u898b\u7684\u539f\u56e0\u662f\u6578\u64da\u5eab\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\u3002\u78ba\u4fdd\u5728\u9023\u63a5\u6578\u64da\u5eab\u6642\u4f7f\u7528\u7684\u540d\u7a31\u8207\u5be6\u969b\u5b58\u5728\u7684\u6578\u64da\u5eab\u540d\u7a31\u5b8c\u5168\u4e00\u81f4\uff0c\u5305\u62ec\u5927\u5c0f\u5beb\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u672a\u5275\u5efa\uff1a<\/strong>\u5982\u679c\u60a8\u5617\u8a66\u9023\u63a5\u7684\u6578\u64da\u5eab\u5c1a\u672a\u5275\u5efa\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528SQL\u547d\u4ee4\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u662f\u5426\u5b58\u5728\u3002<\/li>\n<li><strong>\u6b0a\u9650\u554f\u984c\uff1a<\/strong>\u7528\u6236\u53ef\u80fd\u6c92\u6709\u8a2a\u554f\u6307\u5b9a\u6578\u64da\u5eab\u7684\u6b0a\u9650\u3002\u6aa2\u67e5\u7528\u6236\u7684\u6b0a\u9650\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u5176\u64c1\u6709\u8a2a\u554f\u8a72\u6578\u64da\u5eab\u7684\u6b0a\u9650\u3002<\/li>\n<li><strong>MySQL\u670d\u52d9\u5668\u914d\u7f6e\u554f\u984c\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cMySQL\u670d\u52d9\u5668\u7684\u914d\u7f6e\u53ef\u80fd\u6703\u5c0e\u81f4\u7121\u6cd5\u8b58\u5225\u6578\u64da\u5eab\u3002\u6aa2\u67e5MySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u78ba\u4fdd\u6240\u6709\u8a2d\u7f6e\u6b63\u78ba\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41049-zaHgvuVrWw\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41049<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%90%8d%e7%a8%b1-zaHgvuVrWw\">\u6b65\u9a5f1\uff1a\u6aa2\u67e5\u6578\u64da\u5eab\u540d\u7a31<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u60a8\u5728\u9023\u63a5\u6578\u64da\u5eab\u6642\u4f7f\u7528\u7684\u540d\u7a31\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u5217\u51fa\u6240\u6709\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SHOW DATABASES;<\/code><\/pre>\n<p>\u78ba\u4fdd\u60a8\u8981\u9023\u63a5\u7684\u6578\u64da\u5eab\u540d\u7a31\u5728\u5217\u8868\u4e2d\u3002\u5982\u679c\u4e0d\u5728\uff0c\u5247\u9700\u8981\u5275\u5efa\u8a72\u6578\u64da\u5eab\u6216\u66f4\u6539\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u7684\u540d\u7a31\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-zaHgvuVrWw\">\u6b65\u9a5f2\uff1a\u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u5982\u679c\u78ba\u5b9a\u6578\u64da\u5eab\u5c1a\u672a\u5275\u5efa\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>CREATE DATABASE your_database_name;<\/code><\/pre>\n<p>\u8acb\u5c07\u201cyour_database_name\u201d\u66ff\u63db\u70ba\u60a8\u5e0c\u671b\u5275\u5efa\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f3%ef%bc%9a%e6%aa%a2%e6%9f%a5%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-zaHgvuVrWw\">\u6b65\u9a5f3\uff1a\u6aa2\u67e5\u7528\u6236\u6b0a\u9650<\/h3>\n<p>\u5982\u679c\u6578\u64da\u5eab\u5b58\u5728\u4f46\u4ecd\u7136\u51fa\u73fe\u932f\u8aa4\uff0c\u5247\u53ef\u80fd\u662f\u7528\u6236\u6b0a\u9650\u554f\u984c\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7528\u6236\u7684\u6b0a\u9650\uff1a<\/p>\n<pre><code>SHOW GRANTS FOR 'your_username'@'localhost';<\/code><\/pre>\n<p>\u78ba\u4fdd\u7528\u6236\u64c1\u6709\u5c0d\u8a72\u6578\u64da\u5eab\u7684\u8a2a\u554f\u6b0a\u9650\u3002\u5982\u679c\u6c92\u6709\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6388\u4e88\u6b0a\u9650\uff1a<\/p>\n<pre><code>GRANT ALL PRIVILEGES ON your_database_name.* TO 'your_username'@'localhost';<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u8a18\u5f97\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n<pre><code>FLUSH PRIVILEGES;<\/code><\/pre>\n<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f4%ef%bc%9a%e6%aa%a2%e6%9f%a5mysql%e9%85%8d%e7%bd%ae-zaHgvuVrWw\">\u6b65\u9a5f4\uff1a\u6aa2\u67e5MySQL\u914d\u7f6e<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u6b65\u9a5f\u90fd\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u5247\u53ef\u80fd\u9700\u8981\u6aa2\u67e5MySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fmy.cnf\u6216my.ini\uff09\u3002\u78ba\u4fdd\u914d\u7f6e\u6b63\u78ba\uff0c\u4e26\u4e14\u6c92\u6709\u4efb\u4f55\u9650\u5236\u5c0e\u81f4\u6578\u64da\u5eab\u7121\u6cd5\u8b58\u5225\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zaHgvuVrWw\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41049\uff08ER_BAD_DB_ERROR\uff09\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u5eab\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\u3001\u6578\u64da\u5eab\u672a\u5275\u5efa\u3001\u7528\u6236\u6b0a\u9650\u4e0d\u8db3\u6216MySQL\u914d\u7f6e\u554f\u984c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u5eab\u540d\u7a31\u3001\u5275\u5efa\u6578\u64da\u5eab\u3001\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\u4ee5\u53ca\u6aa2\u67e5MySQL\u914d\u7f6e\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u9806\u5229\uff0c\u4e26\u6e1b\u5c11\u51fa\u73fe\u932f\u8aa4\u7684\u6a5f\u6703\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41049\uff08ER_BAD_DB_ERROR\uff09\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u6aa2\u67e5\u6578\u64da\u5eab\u540d\u7a31\u3001\u9023\u63a5\u8a2d\u7f6e\u53ca\u91cd\u65b0\u5275\u5efa\u6578\u64da\u5eab\u7684\u6b65\u9a5f\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-177119","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=177119"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177119\/revisions"}],"predecessor-version":[{"id":177120,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177119\/revisions\/177120"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}